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CS 22.1549  Power-plant instruments

ED Decision 2003/13/RM

For each required power-plant instrument, as appropriate to the type of instruments:

(a)     each maximum and, if applicable, minimum safe operating limit must be marked with a red radial line;

(b)     each normal operating range must be marked with a green arc, not extending beyond the maximum and minimum safe limits;

(c)      each take-off and precautionary range must be marked with a yellow arc.

(d)     in the case of digital solid state displays, limitations, precautionary and operating ranges required by sub-paragraphs (a), (b) and (c) of this paragraph must be clearly indicated. The display must be readable under all lighting conditions likely to be met in service.